| What it does | Immersive bilingual web translation and YouTube dual subtitles powered by DeepSeek, Claude, and Gemini
| Auto-capture slides from course videos into clean PDFs with synced transcripts
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan: $0 forever with built-in Google and Edge translation engines and custom API key support. Pro plan: $2.99 USD per month or $24.99 USD per year (Save 33% with annual billing), includes official Cloud AI models (DeepSeek V3, Claude 3.5, Gemini 1.5), 10,000,000 AI tokens per month, YouTube du
| Free Plan: $0 forever with up to 50 slides and 3 transcript trials. 3-Month Access (Students): $6.99 one time, expires 90 days after purchase. Pro Lifetime (Best Value): $16.99 one time (originally $24.99, 32% launch discount), pay once and use forever with unlimited slides, transcripts, and PDF exp
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| Key features | - Immersive bilingual alignment with zero layout breakage
- YouTube and video dual subtitles with synchronized real-time display
- Instant selection lookup with floating quick-action ball
- Six translation display styles (None, Dotted Underline, Marker, Quote Block, Subtle, Hover Learn)
- Support for DeepSeek, Gemini, Claude, and OpenAI AI models
- Bring Your Own Key (BYO-Key) with local privacy
- Support for custom API endpoints and local Ollama models
- Access to Google Translate and Microsoft Edge Neural Translate
- Seamless cloud member synchronization across devices
- 7-day money-back guarantee
| - Automatic slide detection that identifies real slide frames and skips instructor webcams, code editors, and transitions
- Transcript extraction with automatic pulling from supported platforms in Timed View or Readable View
- Manual snap capture with keyboard shortcuts (Ctrl+Shift+9) for code, notebooks, and demos
- Customizable Slide Detection Zone to manually define capture area or set exclusion zones
- PiP Magic Eraser that removes webcam overlays and fills background areas smoothly
- Deduplication that skips duplicate slides while preserving bullet builds and progressive reveals
- Multi-View Slide Browser with grid, list, and full-screen presentation views
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| What makes it different | - Preserves 100% of webpage structure and code without layout breakage
- Native dual-line synchronized subtitles for YouTube videos
- Absolute local privacy with client-side encryption of API keys and browsing data
- Powered by cutting-edge LLMs with deep contextual understanding
- Zero-config Pro Cloud AI with no overseas API key registration required
| - Works across multiple platforms (DeepLearning.AI, Coursera, Udemy, YouTube) with same toolbar and workflow
- Free plan with 50 slide captures and 3 transcript trials, no credit card or signup required
- Lifetime Pro ownership model ($16.99 one time) with all future features included and no recurring subscriptions
- Supports Chromium-based browsers (Chrome, Edge, Brave, Opera, Arc) officially and on other variants
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 20 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 5 | 0 |
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| Citation Flow (Majestic) | 18 | 16 |
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| Referring domains (Majestic) | 8 | 3 |
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SlideSieve